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Error code reference
LG Refrigerator Error Code Er FS
Abnormal Freezer Sensor - wire open, short circuit, temperature sensor damaged, or Main PCB damaged.
SourceLG LFD20786 Refrigerator - Service Manualp. 33
Diagnostic procedure
The full Er FS procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check for loose connections on Main PCB, damage on wires, and resistance value of freezer thermistor at CON7 (blue to blue wires).
SourceLG LFD20786 Refrigerator - Service Manualp. 33
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
208 manuals in the MyPros+ library document this code for LG refrigerator.
Models covered by the manuals that document this code
- 79551072011
- 79578402801
- 79578769801
- GM-B258NKNM
- GM-B258RS
- GR-B217
- GR-B257
- GR-C217
- GR-C257
- GR-D267DTU
- GR-G267ATB
- GR-H2273KTG
- GR-L207TLQA
- GR-L217
- GR-L217BVK
- GR-L218DSVH
- GR-L218UQLP
- GR-L218USGH
- GR-L218USJH
- GR-L218USJP
- GR-L218USLP
- GR-L257
- GR-L258UQGH
- GR-L258UQJH
More models are covered than are listed here.
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